Condensed Consolidated Statements of Cash Flows (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Operating activities
Net loss	$ (3,436,431)	$ (4,513,270)
Adjustments to reconcile net loss to net cash used in operating activities:
Bad debt recovery		(400,695)
Change in fair value of derivative instruments	167,853	(3,176,686)
Depreciation and amortization expense	162,358	234,319
Gain on the disposal of property and equipment	(66,626)
Share-based compensation expense	1,060,705	1,255,325
Deferred income taxes	166,538
Non-cash interest expense	40,470
Changes in operating assets and liabilities:
Accounts receivable	979,612	760,274
Unbilled accounts receivable	(1,765,096)	1,114,139
Prepaid expenses and other current assets	248,707	1,611,860
Accounts payable	617,014	(674,723)
Accrued expenses and other liabilities	(87,483)	404,230
Net cash used in operating activities	(1,912,379)	(3,385,227)
Investing activities
Purchases of property and equipment		(30,364)
Proceeds from the sale of property and equipment	67,400
Net cash provided by (used in) investing activities	67,400	(30,364)
Financing activities
Proceeds from issuance of long term debt	2,500,000
Deferred financing costs	(216,460)
Change in restricted cash requirements	100,000
Proceeds from issuance of common stock and warrants	38,983	5,862,558
Other	(32,960)	(64,362)
Net cash provided by financing activities	2,389,563	5,798,196
Effects of exchange rates on cash	(4,434)	(7,334)
Increases in cash and cash equivalents	540,150	2,375,271
Cash and cash equivalents, at beginning of period	11,236,771	11,785,327
Cash and cash equivalents, at end of period	11,776,921	14,160,598
Supplemental disclosure of cash flow information
Cash paid for interest	73,911	30,608
Noncash financing activity
Warrants issued to lender in connection with loan	$ 69,876